systemModel = Backbone.Model.extend({});
systemCollection = Backbone.Collection.extend({model:systemModel,localStorage: new Store('menu-data')});
 
menuModel = Backbone.Model.extend({});
menuCollection = Backbone.Collection.extend({model:menuModel});
 
userModel = Backbone.Model.extend({});
 
var share = {
		/**
		 * 跨框架数据共享接口
		 * @param {String} 存储的数据名
		 * @param {Any} 将要存储的任意数据(无此项则返回被查询的数据)
		 */
		data : function (name, value) {
			var top = window.top,
			cache = top['_CACHE'] || {};
			top['_CACHE'] = cache;
			return value ? cache[name] = value : typeof(cache[name])!='undefined' ? cache[name] :'';
		},
		/**
		 * 数据共享删除接口
		 * @param {String} 删除的数据名
		 */
		removeData : function (name) {
			var cache = window.top['_CACHE'];
			if (cache && cache[name])
				delete cache[name];
		}
	};